. >> coming up tonight, a house energy and commerce subcommittee hears testimony on the fungal meningitis outbreak linked to a massachusetts company. the defense department and holds a briefing on actions taken after an investigation into misconduct. at laflin air force base in san antonio. that is followed by an interview with outgoing house services member, congressman barney frank. today's of nonfiction books this weekend. your calls, e-mails, and tweets. many featured authors including jake tapper and christopher hitchens book, mortality. live coverage starts on saturday morning at 10:00 a.m. eastern on sunday at noon on c-span2's booktv. join us online